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main.c
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main.c
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#include <inttypes.h>
#include <avr/io.h>
#include <stdlib.h>
#include <avr/pgmspace.h>
#include "globals.h"
#include "card.h"
#include "usart.h"
void InitPorts()
{
DDRB = (1 << DDB_SCK) | (1 << DDB_T1);
DDRC = (1 << DDC_IN1) | (1 << DDC_IN2) | (1 << DDC_IN3) | (1 << DDC_IN4);
DDRD = (1 << DDD_OE) | (1 << DDD_RCK);
DataPort = 0;
ClockPort = 0;
}
void SetLevelPins(int state)
{
DataPort = state;
ClockPort &= ~(1 << P_SCK);
ClockPort |= (1 << P_SCK);
ClockPort &= ~(1 << P_SCK);
/*
ClockPort &= ~(P_SCK_MASK);
ClockPort |= (P_SCK_MASK);
ClockPort &= ~(P_SCK_MASK);
*/
}
void Latch()
{
LatchPort &= ~(1 << P_RCK);
LatchPort |= (1 << P_RCK);
LatchPort &= ~(1 << P_RCK);
LatchPort &= ~(1 << P_OE);
}
void fade() //2 bresenhams
{
int i;
while (XChanged != 1)
{
if (fademode == 1) XChanged = 1;
for (i = 0; i < MaxLedPins; i++)
{
if (dY[i] > 0)
{
if (2*(eY[i] + dY[i]) < PWMres)
{
eY[i] += dY[i];
}
else
{
PWM[i]++;
eY[i] += (dY[i]-PWMres);
}
}
else
{
if (2*(eY[i] + dY[i]) > (-1*PWMres))
{
eY[i] += dY[i];
}
else
{
if (PWM[i] > 0) PWM[i]--; //BugFixPWMDec 09.11.23
eY[i] += (dY[i]+PWMres);
}
}
}
if (2*(eX + dX) < PWMres)
{
eX += dX;
}
else
{
X++;
Hold++;
eX += dX-PWMres;
XChanged = 1;
}
}
XChanged = 0;
}
int main()
{
volatile signed int i, aColumn, aLevel, mask, mux, patterncntr;
patterncntr = 0;
Hold = 0;
InitPorts();
CARDinit();
USARTinit();
while (1)
{
while (patterncntr < numanimas)
{
X = 0;
eX = 0;
XChanged = 0;
dX = pgm_read_byte(&AnimationA[patterncntr].hold);
fademode = pgm_read_byte(&AnimationA[patterncntr].fade);
for (i = 0; i < MaxLedPins; i++)
{
eY[i] = 0;
/*
aDivRes = div(i, LedPinsPerLevel);
aLevel = aDivRes.quot;
aLedPin = i;
aLedPin %= LedPinsPerLevel;
*/
YStart = pgm_read_byte(&AnimationA[patterncntr].pwm[i]);
PWM[i] = YStart;
if (patterncntr < numanimas-1) idx = patterncntr+1; else idx = 0;
YEnd = pgm_read_byte(&AnimationA[idx].pwm[i]);
dY[i] = YEnd-YStart;
}
Hold = 0;
while (Hold <= pgm_read_byte(&AnimationA[patterncntr].hold))
{
if (fademode > 0) fade();
for (i=0; i<=PWMres; i++)
{
CARDloop();
USARTloop();
mux = MaxMux;
while (mux > 0)
{
mux--;
for (aColumn = LedPinsPerColumn-1; aColumn >= 0; aColumn--)
{
mask = 0;
aLevel = MaxLevels;
while (aLevel > 0)
{
aLevel--;
idx = aColumn+mux * LedPinsPerColumn + aLevel * LedPinsPerLevel;
if (i < PWM[idx]) mask |= (1 << aLevel);
}
SetLevelPins(mask);
}
switch (mux)
{
case 0 :
SetLevelPins(15);
SetLevelPins(0);
SetLevelPins(0);
SetLevelPins(0);
break;
case 1 :
SetLevelPins(0);
SetLevelPins(15);
SetLevelPins(0);
SetLevelPins(0);
break;
case 2 :
SetLevelPins(0);
SetLevelPins(0);
SetLevelPins(15);
SetLevelPins(0);
break;
case 3 :
SetLevelPins(0);
SetLevelPins(0);
SetLevelPins(0);
SetLevelPins(15);
break;
}
i = i;
Latch();
}
}
if (fademode == 0) Hold++;
}
Hold = 0;
patterncntr++;
}
patterncntr = 0;
}
}